Rocky Linux 9.6 [TuxCare] Security Update: tomcat / tomcat-admin-webapps / tomcat-docs-webapp / etc (ALMALINUX9.6:CLSA-2025:1767098873)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2025:1767098873 advisory. - Relative Path Traversal vulnerability in Apache Tomcat. The fix for bug 60013 introduced a regression where the rewritten URL was...

CentOS Linux 7 [TuxCare] Security Update: tomcat / tomcat-admin-webapps / tomcat-docs-webapp / etc (CENTOS7:CLSA-2026:1783591320)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1783591320 advisory. - Missing Critical Step in Authentication vulnerability in Apache Tomcat when the JNDIRealm was configured to authenticate binds using GSSAPI...

AlmaLinux 9.6 [TuxCare] Security Update: pki-servlet-4.0-api / pki-servlet-engine Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1775739369)

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1775739369 advisory. - Unchecked Error Condition vulnerability in Apache Tomcat. If Tomcat is configured to use a custom Jakarta Authentication formerly...

Rocky Linux 9.6 [TuxCare] Security Update: tomcat / tomcat-admin-webapps / tomcat-docs-webapp / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1779957268)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1779957268 advisory. - Session Fixation vulnerability in Apache Tomcat via rewrite valve. This issue affects Apache Tomcat: from 11.0.0-M1 through...

AlmaLinux 9.2 [TuxCare] Security Update: tomcat / tomcat-admin-webapps / tomcat-docs-webapp / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1784297753)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1784297753 advisory. - Improper Authorization vulnerability in Apache Tomcat leads to security constraints specified for the default servlet ignoring any...

AlmaLinux 9.2 [TuxCare] Security Update: pki-servlet-4.0-api / pki-servlet-engine Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1775646020)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1775646020 advisory. - Unchecked Error Condition vulnerability in Apache Tomcat. If Tomcat is configured to use a custom Jakarta Authentication formerly...

TencentOS Server 4: tomcat (TSSA-2026:1064)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:1064 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

AlmaLinux 9.6 [TuxCare] Security Update: tomcat / tomcat-admin-webapps / tomcat-docs-webapp / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1779957268)

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1779957268 advisory. - Session Fixation vulnerability in Apache Tomcat via rewrite valve. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.7...

AlmaLinux 9.6 [TuxCare] Security Update: tomcat / tomcat-admin-webapps / tomcat-docs-webapp / etc (ALMALINUX9.6:CLSA-2025:1767098873)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2025:1767098873 advisory. - Relative Path Traversal vulnerability in Apache Tomcat. The fix for bug 60013 introduced a regression where the rewritten URL was normalize...

AlmaLinux 9.2 [TuxCare] Security Update: tomcat / tomcat-admin-webapps / tomcat-docs-webapp / etc (ALMALINUX9.2:CLSA-2026:1783522891)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1783522891 advisory. - Missing Critical Step in Authentication vulnerability in Apache Tomcat when the JNDIRealm was configured to authenticate binds using GSSAPI...

Rocky Linux 9.6 [TuxCare] Security Update: tomcat / tomcat-admin-webapps / tomcat-docs-webapp / etc (ALMALINUX9.6:CLSA-2026:1788514837)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1788514837 advisory. - Insufficient Session Expiration vulnerability in Apache Tomcat meant that if the session ID for an authenticated HTTP session was changed...

AlmaLinux 9.2 [TuxCare] Security Update: pki-servlet-4.0-api / pki-servlet-engine (ALMALINUX9.2:CLSA-2026:1769701085)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1769701085 advisory. - Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache Tomcat. For a subset of unlikely rewrite rule...

AlmaLinux 9.2 [TuxCare] Security Update: tomcat / tomcat-admin-webapps / tomcat-docs-webapp / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1786121727)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1786121727 advisory. - Improper Resource Shutdown or Release vulnerability in Apache Tomcat. If an error occurred including exceeding limits during the...

AlmaLinux 9.2 [TuxCare] Security Update: tomcat / tomcat-admin-webapps / tomcat-docs-webapp / etc (ALMALINUX9.2:CLSA-2025:1738695770)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1738695770 advisory. - Improper Input Validation vulnerability in Apache Tomcat.Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from...

AlmaLinux 9.6 [TuxCare] Security Update: tomcat / tomcat-admin-webapps / tomcat-docs-webapp / etc (ALMALINUX9.6:CLSA-2026:1788514837)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1788514837 advisory. - Insufficient Session Expiration vulnerability in Apache Tomcat meant that if the session ID for an authenticated HTTP session was changed...

CVE-2026-77756

A flaw was found in Apache Tomcat. This vulnerability, known as HTTP Request/Response Smuggling, occurs when Tomcat processes the transfer-encoding header for an HTTP/1.0 request while operating behind a reverse proxy. A remote attacker could exploit this to cause a denial of service, leading to...

CVE-2026-77762

A flaw was found in Apache Tomcat. This vulnerability, caused by a race condition during concurrent execution, allows an attacker to inject unauthorized data, known as trailer fields, into another user's HTTP/2 request. This could lead to the manipulation of web traffic or unintended information...

BIT-ENVOY-2026-73511 Envoy: Potential path-matching/authentication bypass when using Envoy in combination with a backend stripping per-segment path (matrix) parameters (e.g. Apache Tomcat)

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy normally matches the raw request path, while servlet backends such as Apache Tomcat strip semicolon matrix parameters from each path segment before resolving...

Insufficient Technical Documentation

Apache Tomcat is vulnerable to Insufficient Technical Documentation. The vulnerability is due to insufficient security configuration guidance, which could allow an administrator to deploy Tomcat with an insecure EncryptInterceptor configuration and potentially expose protected cluster communicati...

CVE-2026-86247

A flaw was found in Apache Tomcat Native. A race condition within a thread allows client certificate verification requirements to be down-graded for certain configurations. This could enable an attacker to bypass stricter authentication requirements, potentially leading to unauthorized access or...